delphimvcframework/samples/htmx/uConfig.Module.pas

120 lines
3.3 KiB
ObjectPascal

unit uConfig.Module;
interface
uses
System.SysUtils,
System.Classes,
Web.HTTPApp,
MVCFramework;
type
TConfigModule = class(TWebModule)
procedure WebModuleCreate(Sender: TObject);
procedure WebModuleDestroy(Sender: TObject);
private
FMVC: TMVCEngine;
public
end;
var
WebModuleClass: TComponentClass = TConfigModule;
implementation
{$R *.dfm}
uses
uBase.Controller,
uMovie.Controller,
System.IOUtils,
MVCFramework.Commons,
MVCFramework.Middleware.StaticFiles,
MVCFramework.HTMX,
JsonDataObjects,
MVCFramework.View.Renderers.Mustache;
procedure TConfigModule.WebModuleCreate(Sender: TObject);
begin
FMVC := TMVCEngine.Create(Self,
procedure(Config: TMVCConfig)
begin
// session timeout (0 means session cookie)
Config[TMVCConfigKey.SessionTimeout] := '0';
// default content-type
Config[TMVCConfigKey.DefaultContentType] := TMVCConstants.DEFAULT_CONTENT_TYPE;
// default content charset
Config[TMVCConfigKey.DefaultContentCharset] := TMVCConstants.DEFAULT_CONTENT_CHARSET;
// unhandled actions are permitted?
Config[TMVCConfigKey.AllowUnhandledAction] := 'false';
// enables or not system controllers loading (available only from localhost requests)
Config[TMVCConfigKey.LoadSystemControllers] := 'true';
// default view file extension
Config[TMVCConfigKey.DefaultViewFileExtension] := 'htmx';
// view path
Config[TMVCConfigKey.ViewPath] := 'htmx_templates';
// Max Record Count for automatic Entities CRUD
Config[TMVCConfigKey.MaxEntitiesRecordCount] := '20';
// Enable Server Signature in response
Config[TMVCConfigKey.ExposeServerSignature] := 'true';
// Enable X-Powered-By Header in response
Config[TMVCConfigKey.ExposeXPoweredBy] := 'true';
// Max request size in bytes
Config[TMVCConfigKey.MaxRequestSize] := IntToStr(TMVCConstants.DEFAULT_MAX_REQUEST_SIZE);
end);
(* Use Mustache View Engine *)
FMVC.SetViewEngine(TMVCMustacheViewEngine);
FMVC.AddMiddleware(TMVCStaticFilesMiddleware.Create('/img', TPath.Combine(ExtractFilePath(GetModuleName(HInstance)),
'www\img')));
FMVC.AddController(TBaseController);
FMVC.AddController(TMovieController);
FMVC.SetExceptionHandler(
procedure(E: Exception; SelectedController: TMVCController; WebContext: TWebContext; var ExceptionHandled: Boolean)
function ProcessJSONErrors: TJsonObject;
var
Nested: Exception;
Errors: TJsonArray;
Error: TJsonObject;
begin
Result := TJsonObject.Create;
Errors := TJsonArray.Create;
Result.A['errors'] := Errors;
Nested := E;
while Nested <> nil do
begin
Error := TJsonObject.Create;
Error.S['className'] := Nested.ClassName;
Error.S['message'] := Nested.Message;
Errors.Add(Error);
Nested := Nested.InnerException;
end;
end;
begin
if WebContext.Request.HXIsHTMX then
begin
if SelectedController <> nil then
begin
SelectedController.Render(E.Message);
// else etc
ExceptionHandled := true;
WebContext.Response.StatusCode := 400;
end;
end;
end);
end;
procedure TConfigModule.WebModuleDestroy(Sender: TObject);
begin
FMVC.Free;
end;
end.